20113947

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3433}}^1$

素因数の和:3480

約数の個数: 32

約数和(自身を含む): 35164160

約数和(自身を除く): 15050213

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3433, 5859, 10299, 24031, 30897, 72093, 92691, 106423, 216279, 319269, 648837, 744961, 957807, 2234883, 2873421, 6704649, 20113947]

約数ペア:

[(1, 20113947), (3, 6704649), (7, 2873421), (9, 2234883), (21, 957807), (27, 744961), (31, 648837), (63, 319269), (93, 216279), (189, 106423), (217, 92691), (279, 72093), (651, 30897), (837, 24031), (1953, 10299), (3433, 5859)]